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  • In the following question, a statement of Assertion (i) followed by a statement of Reason (R) is given. Choose the correct option out of the following choices: Assertion (i): HNO_{3} makes from passive.

In the following question, a statement of Assertion (i) followed by a statement of Reason (R) is given. Choose the correct option out of the following choices:

Assertion (i): HNO_{3} makes iron passive.
Reason (R): HNO_{3} forms a protective layer of ferric nitrate on the surface of iron.

(i) Both Assertion and Reason are correct statements and Reason is the correct explanation of Assertion.
(ii) Both Assertion and Reason are correct statements but Reason is not the correct explanation of Assertion.
(iii) Assertion is correct but Beason is wrong.
(iv) Assertion is wrong but Reason is correct.
(v) Both Assertion and Reason are wrong.

Answers (1)

The answer is the option (iii). Iron attains passivity due to formation of a thin layer of oxide.

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